4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Vamsi Krishna Brahmajosyula <vbrahmajosyula@xxxxxxxxxx>
Removal of the sock_hold got lost when backporting commit c3873070247d
("netfilter: nf_queue: fix possible use-after-free") to 4.19
Fixes: 34dc4a6a7f26 ("netfilter: nf_queue: fix possible use-after-free") in 4.19
Fixed in 4.14 with
https://lore.kernel.org/all/20221024112958.115275475@xxxxxxxxxxxxxxxxxxx/
Signed-off-by: Vimal Agrawal <vimal.agrawal@xxxxxxxxxx>
Reviewed-by: Florian Westphal <fw@xxxxxxxxx>
[vbrahmajosyula: The fix to the backport was missed in 4.19]
Signed-off-by: Vamsi Krishna Brahmajosyula <vbrahmajosyula@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/netfilter/nf_queue.c | 2 --
1 file changed, 2 deletions(-)
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -93,8 +93,6 @@ bool nf_queue_entry_get_refs(struct nf_q
dev_hold(state->in);
if (state->out)
dev_hold(state->out);
- if (state->sk)
- sock_hold(state->sk);
#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
if (entry->skb->nf_bridge) {
struct net_device *physdev;
